The Kussi Duo Bamboo Fleximat Board Set is a durable and useful set of cutting boards that makes kitchen prep safer, easier, and more hygienic. The bamboo board is strong and offers superior resistance to cuts and abrasionss, has a d enser surface for less staining than traditional hardwoods, and is odour and bacteria-resistant. Inside the bamboo board are 4 Kussi Flex & Grip Cutting Mats. T he mats are BPA free, antibacterial, and food-safe grey poly material will not dull knives. The 2mm thick mat is sturdy and durable yet has enough flex to allow easy funneling of chopped food into a bowl or pot. The non-slip grid backing grips surfaces and holds the mats in place during use. The groove on the bamboo board is perfect to hold the flex mats in place while chopping and makes it easy to avoid cross-contamination. Slide all the fleximats back in the bamboo board for quick and convenient storage!